CN106477453B - The gantry crane of three pieces open type truss structure crossbeam and the application crossbeam - Google Patents
The gantry crane of three pieces open type truss structure crossbeam and the application crossbeam Download PDFInfo
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- CN106477453B CN106477453B CN201611122957.9A CN201611122957A CN106477453B CN 106477453 B CN106477453 B CN 106477453B CN 201611122957 A CN201611122957 A CN 201611122957A CN 106477453 B CN106477453 B CN 106477453B
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- crossbeam
- truss
- bar
- gantry crane
- boom
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
- B66C2700/012—Trolleys or runways
Abstract
The invention discloses the gantry cranes of a kind of three pieces open type truss structure crossbeam and the application crossbeam, crossbeam includes an on piece truss of two panels side truss and connection two panels side truss, two panels side truss respectively along perpendicular be arranged and it is relatively parallel, upper truss is arranged along horizontal plane, the both sides of the upper truss upper end close proximity with two panels side truss respectively, so that the longitudinal section of crossbeam is downwardly open, not closed square-section, fixation is attached by supporting rack between two panels side truss and an on piece truss.The gantry crane of the three pieces open type truss structure crossbeam and application of the present invention crossbeam, due to the truss structure that its crossbeam is three pieces open type, weight is lighter for traditional four-piece type crossbeam, and stabilized structure, anti-fatigue performance is good, lateral rigidity is more preferable, can be applied to lifting capacity and the higher large-scale gantry crane of working level.
Description
Technical field
The present invention relates to goliath transport field, the crossbeam of especially a kind of three pieces open type truss structure and application
The gantry crane of the crossbeam.
Background technology
With the development of Modern World shipping market, container freighter is just towards enlargement and efficient trend hair
Exhibition.With the appearance of 3E grades " giant " container ship of 18000 standard packing boxes, matched 3E grades of Quayside container bridges of ultra-large type
Formula crane (hereinafter referred to as gantry crane) is also corresponding to come out.Hereafter, it is the efficiency of loading and unloading of 3E grades of gantry cranes of raising, pair of lifting capacity bigger
3E grades of gantry cranes of raising are also pushed to the market.
Big facing to parameter, the ultra-large type gantry crane of lifting capacity weight, the gantry crane of conventional steel flanged beam design is due to weight weight, windward
Area is big, cannot be satisfied the bearing capacity of segment terminal and the requirement of energy saving, can preferably mitigate bank according to truss structure
Bridge weight and front face area reduce wheel load and energy consumption, but traditional truss girder design lateral rigidity is poor, and mostly use pipe knot
Structure, energy saving bearing capacity is poor, and manufacture difficulty is big, it is difficult to apply to the large-scale gantry crane that parameter is big, lifting capacity is heavy, working level is high.
Such as application No. is the Chinese patent literatures of CN200710051552.5 to disclose a kind of three pieces or multi-disc truss knot
Structure formula girder, the truss structure formula girder being related in a kind of bridge.It is connected with horizontal-associate between side main truss and the middle main truss of centre,
Have upper deck of bridge or lateral, Xia You lower layers bridge floor or lateral on side main truss and middle main truss, side main truss and middle main truss by top boom, under
Chord member and intermediate web member are constituted, and middle main truss is one or more pieces.The invention is made of the middle main truss of side main truss and centre, middle master
Purlin is one or more pieces.It is contacted with horizontal-associate between adjacent two main truss so that stress can be transmitted mutually between main truss.The invention uses two panels
The common stress of above truss effectively reduces each rod piece stress of truss, reduces bar cross section, and main truss slab is wanted in reduction
It asks, convenient for design, transport, installation, reduces project cost；The counter-force of bearing is reduced, the design and buying of bearing are convenient for.The hair
It is bright to can be used for the bridges such as continuous beam, arch bridge, cable-stayed bridge, suspension bridge.However, the truss structure formula girder of the invention includes upper layer bridge
Face, lower layer's bridge floor and multi-disc main truss are additionally provided with the horizontal-associate for contacting adjacent two panels main truss between multi-disc main truss, are special
Door is the structure of Bridge Design, is not particularly suited for gantry crane structure.
Application No. is the Chinese patent literatures of CN201410048037.1 to also disclose one kind with lift truss crossbeam
With the gantry crane of three trolleies, the function of gantry crane crossbeam lifting may be implemented in it, reduces gantry crane system and is increased to rising for lifting trolley
The requirement of degree reduces the complexity of quayside container crane system, and can improve the efficiency of loading and unloading of quayside container crane system.
The technical solution of the invention is：A kind of gantry crane with lift truss crossbeam and three trolleies, including gantry crane door frame and gantry crane it is big
Beam, gantry crane crossbeam are set to the upper end on the inside of gantry crane door frame, and gantry crane door frame includes four door frame columns, passes through company below door frame column
It connects crossbeam to be connected, gantry crane crossbeam is connected with the top of gantry crane door frame, and the upper layer of gantry crane crossbeam sets that there are two gantry crane raising is small
The lower layer of vehicle, gantry crane crossbeam is equipped with suspension type transport carriage.In gantry crane above-mentioned with lift truss crossbeam and three trolleies,
Gantry crane crossbeam is set to the inside of gantry crane door frame and is connected by crossbeam locking device, the inside on gantry crane crossbeam top and lower part
Outside is equipped with trolley track, and the both ends in the inner track on gantry crane crossbeam top are respectively equipped with a gantry crane lifting trolley, bank
The track in the outside of bridge grider lower part is equipped with suspension type transport carriage；The top of four door frame columns is parallel to set that there are two connections
The lower section of crossbeam, connecting cross beam is equipped with pulley blocks, and connecting cross beam is equipped with crossbeam lifting mechanism, pulley is equipped with above gantry crane crossbeam
Group, the steel wire rope on crossbeam lifting mechanism are connected by pulley blocks with gantry crane crossbeam.In the handling ship process for carrying out container
In, the container transshipment pattern of two gantry crane lifting trolleys and a suspension type transport carriage coordinative operation is instead of traditional collection
Gantry crane of casing, to the raising of container and the pattern of transhipment, it is outstanding to solve traditional single lifting trolley using single lifting trolley
The slow-footed persistent ailment of handling is hung, the transport speed of container is dramatically improved.However, the gantry crane in the patent document is adopted
It is lift truss crossbeam, and crossbeam is integral, without point of front and back crossbeam, gantry crane viability crossbeam can not pitching
It is different from the current requirement of most of gantry cranes to avoid ship passage, limit application range, and the main beam structure weight
It measures overweight.
For example application No. is the Chinese patent literatures of CN201320382813.2 to provide a kind of English truss formula bilayer bank again
Bridge girder, it can effectively improve the rigidity of hoisting machine walking girder and transfer car(buggy) walking girder, and can effectively prevent becoming
Shape ensures equipment operational safety.The technical solution of the invention：A kind of English truss formula bilayer gantry crane girder, including be set up in parallel
Hoisting machine walking girder A and hoisting machine walk girder B, hoisting machine walking girder A's is arranged right below transfer car(buggy) walking girder
A's, hoisting machine walking girder B is arranged right below transfer car(buggy) walking girder B, hoisting machine walking girder A and hoisting machine walking girder B
Both sides be respectively equipped with floor stringer A and floor stringer B, hoisting machine is walked girder A and floor stringer A, hoisting machine walking girder B and auxiliary
It is connected by horizontal gusseted beam between beam B, hoisting machine walking girder A is led with transfer car(buggy) walking girder A, hoisting machine walking
It is connected by vertical gusseted beam between beam B and transfer car(buggy) walking girder B, transfer car(buggy) walking girder A and floor stringer A, is turned
Fortune garage walks and is connected by oblique gusseted beam between girder B and floor stringer B.English truss formula bilayer gantry crane girder above-mentioned
In, it is connected by horizontal gusseted beam between hoisting machine walking girder, while hoisting machine walking girder, transfer car(buggy) walking girder
It is inverted trapezoidal with the cross sectional shape that floor stringer links together.
Compared with prior art, which is made by the lower section setting transfer car(buggy) walking girder for girder of walking in hoisting machine
Traditional hoisting machine is only responsible for lifting, and transports work and be then responsible for by transfer car(buggy), using the gantry crane of this structure than traditional bank
The container handling efficiency of bridge can promote 50%.Since the invention is respectively provided with auxiliary in the both sides of hoisting machine walking girder
Beam, and connected the Liang Tiaoliang of arbitrary neighborhood by gusseted beam, efficiently solve the double-deck gantry crane in the horizontal direction
The inadequate disadvantage of rigidity, but also hoisting machine walking girder, transfer car(buggy) walking girder can be effectively prevent to deform upon, ensure to set
Standby safe operation.However, the main beam structure of the patented technology is exclusively for the gantry crane design equipped with raising and operating double trolley
The double-deck crossbeam, for single crab (raising and operating one) gantry crane of current mainstream, the main beam structure preponderance.
From this, traditional truss girder design lateral rigidity is poor, preponderance, and pipe structure is mostly used, it is energy saving to hold
Loading capability is poor, and manufacture difficulty is big, it is difficult to apply to the large-scale gantry crane that parameter is big, lifting capacity is heavy, working level is high.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of three pieces open type truss structure crossbeams, including
One on piece truss of two panels side truss and connection two panels side truss, two panels side truss are respectively arranged along perpendicular and relatively flat
Row, upper truss are arranged along horizontal plane, the both sides of the upper truss upper end close proximity with two panels side truss respectively so that crossbeam
Longitudinal section is downwardly open, not closed square-section, is carried out by supporting rack between two panels side truss and an on piece truss
It is connected and fixed.
Further, two panels side truss includes respectively parallel top boom and lower boom up and down, top boom and lower boom it
Between be vertically provided with more flank bars, flank bar is coupled top boom and lower boom.
Preferably, upper truss includes two side rods being made of two top booms of two panels side truss, between two side rods
It is horizontally disposed to there are more top struts, top strut to be coupled two side rods.
Further, more flank bars and/or more top struts are triangle, " N " type, " K " type or rice font knot
Structure.
Preferably, supporting rack is the tripod structure that three supporting rods are constituted, and three of them angle is individually fixed in two flanks
On bar and a top strut, two flank bars are located in the truss of two panels side, and a top strut is in two flank bars
Upper end is connected with top boom, and the plane where supporting rack is perpendicular to the plane where the truss of side.
Further, supporting rack is the triangular structure that two supporting rods and a flank bar are constituted, a flank bar position
In wherein a piece of side truss, top passes through the top of a top strut and another flank bar in another side truss
It is connected, another flank bar is identical as position of the flank bar on crossbeam length direction and is mutually parallel, triangle knot
The apex angle of structure is located at the junction on the top and top strut of a flank bar, two base angle is individually fixed in a flank bar
On upper and another flank bar, and the plane where supporting rack is perpendicular to the plane where any side truss.
Preferably, two base angles of supporting rack are above the plane of two lower booms composition in the vertical direction.
Further, the inside of lower boom is equipped with the track slided for load carrying device.
Preferably, top boom and/or flank bar use I-steel or H profile steel.
The invention also discloses a kind of gantry crane, including door frame, the crossbeam that is fixed on door frame and ladder frame, traction crossbeam
More pull rods, door frame include the upper beam of the door frame column being vertically arranged and horizontal connection door frame the upper end of the column, and crossbeam is fixed on
The bottom of upper beam, ladder frame are fixed on the top of door frame, and the upper end of pull rod is connected on ladder frame, and lower end is connected to crossbeam
On, crossbeam uses three pieces open type truss structure crossbeam as described above.
Further, crossbeam includes the extra large side crossbeam being mutually rotatablely connected and land side crossbeam, and extra large side crossbeam passes through double hinged shafts
System is connected with land side crossbeam.
Preferably, land side crossbeam is fixed on the bottom of upper beam by jointing and auxiliary support bar.
Further, jointing includes an enclosed housing, and the front and back two panels panel of enclosed housing is respectively along vertical
Plane extends upward the first protrusion, and top panel extends the second protrusion along horizontal plane.
Preferably, the width phase of the section of the width of enclosed housing in the lateral direction and upper beam in the lateral direction
Together, the section of enclosed housing thickness in the longitudinal direction and top boom in the longitudinal direction of same size.
Further, it is provided with attaching plate elements at the position that the bottom of upper beam is connected with jointing, when land side crossbeam
When being fixed with upper beam, attaching plate elements is connected and integral with the edge of the first protrusion, top panel.
Preferably, along the horizontal plane of top panel, both sides each extend over to the left and right for the second protrusion, in the left and right sides of top panel
It is fixedly connected on top boom, the basal edge of left and right two of enclosed housing bottom surface is solid by auxiliary support bar and top boom and lower boom
Fixed connection.
Further, gusset plate is provided on jointing, gusset plate is fixedly connected by stay tube with ladder frame.
Preferably, the second protrusion extends to the left or to the right along the horizontal plane of top panel, in the left side of top panel
Or right side is fixedly connected on top boom；When the second protrusion extends to the left, the left side basal edge of enclosed housing bottom surface passes through
Auxiliary support bar is fixedly connected with top boom and lower boom, and the right side basal edge of enclosed housing bottom surface is by auxiliary support bar under
It is fixedly connected at chord member and upper hinged shaft；When the second protrusion extends to the right, the right side basal edge of enclosed housing bottom surface passes through auxiliary
Supporting rod is helped to be fixedly connected with top boom and lower boom, the left side basal edge of enclosed housing bottom surface passes through auxiliary support bar and lower edge
It is fixedly connected at bar and upper hinged shaft.
As above, the gantry crane of three pieces open type truss structure crossbeam of the invention and the application crossbeam, since its crossbeam is three
The truss structure of piece open type, weight is lighter for traditional four-piece type crossbeam, and stabilized structure, anti-fatigue performance
Good, lateral rigidity is more preferable, can be applied to lifting capacity and the higher large-scale gantry crane of working level.
For the above of the present invention can be clearer and more comprehensible, preferred embodiment cited below particularly, and in conjunction with attached drawing, make detailed
It is described as follows.
Description of the drawings
Fig. 1 is the overall structure diagram of the three pieces open type truss structure crossbeam of first embodiment of the invention；
Fig. 2-1 is the overall structure diagram of the land side crossbeam in Fig. 1；
Fig. 2-2 is the A direction views of Fig. 2-1；
Fig. 2-3 is the B direction views of Fig. 2-1；
Fig. 3-1 is the overall structure diagram of the extra large side crossbeam in Fig. 1；
Fig. 3-2 is the A direction views of Fig. 3-1；
Fig. 3-3 is the B direction views of Fig. 3-1；
Fig. 4-1 is a kind of C-C of the crossbeam in Fig. 1 to sectional view；
Fig. 4-2 is another C-C of the crossbeam in Fig. 1 to sectional view；
Fig. 5 is the overall structure signal of the gantry crane using three pieces open type truss structure crossbeam of second embodiment of the invention
Figure；
Fig. 6 is the gantry crane using three pieces open type truss structure crossbeam of second embodiment of the invention and its double stud connections
The close-up schematic view at place；
Fig. 7 is the close-up schematic view at the jointing of the crossbeam in Fig. 5；
Fig. 8-1 is the front view of Fig. 7；
Fig. 8-2 is the rearview of Fig. 7；
Fig. 8-3 is the D-D of Fig. 7 to sectional view；
Fig. 9 is another close-up schematic view at the jointing of the crossbeam in Fig. 5.
Component label instructions：
Two panels side truss 1a, 1b
Upper truss 2
Two side rods 2a, 2b
Supporting rack 3
Top boom 4
Lower boom 5
Flank bar 6
Top strut 7
Track 8
Supporting rod 3a 3b 3c 3d 3e
101 door frame column 101a upper beams 101b of door frame
The 102 sea side lands crossbeam 102a side crossbeam 102b of crossbeam
Ladder frame 103
Pull rod 104
Double hinged shaft systems 105
106 first the second protrusions protrusion 106a 106b of jointing
Auxiliary support bar 107
Attaching plate elements 108
Gusset plate 109
Stay tube 110
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification by particular specific embodiment below
Revealed content understands other advantages and effect of the present invention easily.Although description of the invention will combine preferred embodiment
It introduces together, but this feature for not representing the invention is only limitted to the embodiment.On the contrary, being invented in conjunction with embodiment
The purpose of introduction is to be possible to the other selections extended or transformation to cover the claim based on the present invention.In order to carry
Understand for the depth to the present invention, will include many concrete details in being described below.The present invention can not also use these thin
Section is implemented.In addition, in order to avoid the emphasis of the chaotic or fuzzy present invention, some details will be omitted in the de-scription.
In addition, "upper", "lower", "left", "right", "top", "bottom" used in the following description, should not be construed as pair
The limitation of the present invention.
【First embodiment】
As shown in fig. 1, first embodiment of the invention provides a kind of three pieces open type truss structure crossbeam, including two panels side
An on piece truss 2 of truss 1a and 1b, connection two panels side truss 1a and 1b, two panels side truss 1a and 1b are respectively set along perpendicular
It sets and relatively parallel, upper truss 2 is arranged along horizontal plane, the both sides of upper truss 2 upper end with two panels side truss 1a and 1b respectively
Close proximity so that the longitudinal section of crossbeam be downwardly open, not closed square-section, two panels side truss 1a and 1b with it is a piece of
Fixation is attached by supporting rack 3 between upper truss 2.
Specifically, the three pieces open type truss structure crossbeam of the embodiment of the present invention can be applied in gantry crane, typically, bank
Bridge includes the extra large side crossbeam by coastal waters side and the land side crossbeam close to land side.Fig. 2-1 is the three pieces open type truss knot of the present invention
Structural schematic diagram of the structure crossbeam as land side crossbeam, Fig. 2-2 are the A direction views of Fig. 2-1, and Fig. 2-3 is the B direction views of Fig. 2-1；Figure
3-1 is structural schematic diagram of the three pieces open type truss structure crossbeam of the present invention as extra large side crossbeam, Fig. 3-2 for Fig. 3-1 A to
View, Fig. 3-3 are the B direction views of Fig. 3-1；Fig. 4-1 and Fig. 4-2 is the C-C of the three pieces open type truss structure crossbeam of the present invention
To sectional view.As shown in the above figures, the longitudinal section of three pieces open type truss structure crossbeam of the invention be it is downwardly open,
Not closed square-section.It is usually the crossbeam of four-piece type structure applied to the crossbeam in gantry crane at present, i.e. its section is closing
Rectangular section or triangular structure truss crossbeam, i.e., its section be closed triangular-section.The present invention first is implemented
The above-mentioned three pieces open type truss structure crossbeam that example provides is for the crossbeam of four-piece type structure or triangular structure, weight
Amount is lighter, stability is more preferable and lateral rigidity more preferably so that its application range is more extensive, and can be applied to outreach is 75m
Hereinafter, lifting capacity is 80t gantry cranes below, preferably, it is 60m-75m to be applicable to outreach, lifting capacity is the big of 65t-80t
Type and super-huge gantry crane.
Further, as shown in Fig. 2-1 and Fig. 3-1, two panels side truss 1a includes respectively parallel up and down wind up with 1b
Bar 4 and lower boom 5, are vertically provided with more flank bars 6 between top boom 4 and lower boom 5, the connection of flank bar 6 is winded up
Bar 4 and lower boom 5.Specifically, the both ends of every flank bar 6 are individually fixed on top boom 4 and lower boom 5, more flank bars 6
It is end to end two-by-two and multiple triangular structures are formed between top boom 4 and lower boom 5, or form multiple " N " font knots
Structure；Can also by more flank bars 6 between top boom 4 and lower boom 5 with three be one group of formation " K " character form structure, it is multigroup
The flank bar 6 of " K " character form structure is used for being coupled top boom 4 and lower boom 5；Or by more flank bars 6 in top boom 4 and lower edge
M shape structure is constituted between bar 5.The side truss of the truss structure of first embodiment of the invention is not limited to the above-mentioned shape enumerated
Shape can also be the construction that other can play the role of same connection.
Further, the upper truss of three pieces open type truss structure crossbeam of the invention as shown in Fig. 2-2 and Fig. 3-2
2, include two side rods 2a and 2b being made of two top booms 4 of two panels side truss 1a and 1b, between two side rods 2a and 2b
It is horizontally disposed to there are more top struts 7, top strut 7 to be coupled two side rods 2a and 2b.More specifically, every top
The both ends of strut 7 are individually fixed on two side rods 2a and 2b, and more top struts 7 are end to end two-by-two and in two side rod 2a
Multiple triangular structures are formed between 2b, or form multiple " N " character form structures；It can also be by more top struts 7 two
With three for one group of formation " K " character form structure between root side rod 2a and 2b, the top strut 7 of multigroup " K " character form structure is used for joining
Knot two side rods 2a and 2b；Or M shape structure is constituted between two side rods 2a and 2b by more top struts 7.The present invention
The upper truss of the truss structure of first embodiment is not limited to the above-mentioned shape enumerated, and can also can be played for other same
The construction of knot effect.
Preferably, as shown in Fig. 4-1, supporting rack 3 can be the tripod knot that three supporting rods 3a, 3b and 3c are constituted
Structure, three of them angle are individually fixed on two flank bars and a top strut, which is located at two panels side purlin
In frame 1a and 1b, the both ends of a top strut are respectively in the upper end of two flank bars and top boom 2a (4) and 2b (4) phase
Even, the plane where supporting rack 3 is perpendicular to the plane where side truss 1a or 1b.Such as more flank bars of two panels side truss point
Not triangle structure when, it is identical and be mutually parallel that position on crossbeam length direction can be chosen in the truss of two panels side
Two flank bars, and a top strut of this two flank bar upper ends being mutually parallel of connection is chosen, by tripod structure
Three angles are individually fixed on the flank bar and top strut of selection, constitute stable structure, to enhance the lateral rigid of crossbeam
Degree.Wherein, the apex angle of tripod structure can be located at any position for the top strut chosen, preferably, tripod structure
Apex angle be located at choose top strut midpoint.
As shown in the Fig. 4-2, supporting rack 3 is two supporting rod 3d and the triangular structure of 3e and flank bar composition, one
Root flank bar is located therein in a piece of side truss 1b, top by a top strut with it is another in another side truss 1a
The top of root flank bar is connected, and another flank bar be identical as the position of the flank bar on crossbeam length direction and phase
Mutually parallel, the apex angle of triangular structure is located at the junction on the top and top strut of a flank bar, two base angle point
Another not be fixed at the same position on a flank bar and in another side truss 1a on crossbeam length direction
On flank bar, the plane where supporting rack 3 is perpendicular to the plane where side truss 1a or 1b.Such as more sides of two panels side truss
When web member respectively constitutes triangular structure, left and right sides same position on crossbeam length direction can be chosen in the truss of two panels side
Place and two flank bars being mutually parallel, and a top strut of this two flank bar upper ends being mutually parallel of connection is chosen,
The apex angle of triangular structure is located therein the junction on the top and top strut of a flank bar, and one of base angle is located at should
The intermediate position of flank bar, another base angle are located at the centre of flank bar of the other side on crossbeam length direction at same position
Position constitutes stable structure, to enhance the lateral rigidity of crossbeam.Preferably, two base angles should low land as far as possible under
Chord member, to provide support strength as big as possible.
In the embodiment of the present invention, as shown in Fig. 4-1 and Fig. 4-2, two base angles of supporting rack 3 are high in the vertical direction
In the plane that two lower booms 5 are constituted.Such construction is conducive to while ensureing the lateral rigidity of crossbeam in lower boom 5
It is upper that the track slided for load carrying devices such as trolleies is set.Further, the inside of lower boom 5 is equipped with the rail slided for load carrying device
Track 8 is set to the inside of lower boom 5 by road 8, needs have broader spacing between two panels side truss 1a and 1b, so as to
Enough further enhance the lateral rigidity of the three pieces open type truss structure girder of first embodiment of the invention.
Preferably, in first embodiment of the invention, top boom 4 and/or flank bar 6 are all made of I-steel or H profile steel.On
The cross-sectional internal clear height of I-steel used in chord member 4 and/or flank bar 6 either H profile steel it is identical using contour I-steel or
H profile steel can improve the bearing capacity or anti-fatigue performance of crossbeam, have better practical value.
【Second embodiment】
As shown in Figure 5, second embodiment of the invention discloses a kind of gantry crane, including door frame 101, is fixed on door frame
Crossbeam 102 and ladder frame 103, more pull rods 104 for drawing crossbeam 102, door frame 101 include the door frame column 101a being vertically arranged
With the upper beam 101b of horizontal connection door frame the upper end of the column, crossbeam 102 is fixed on the bottom of upper beam 101b, and ladder frame 103 is solid
Due to the top of door frame 101, the upper end of pull rod 104 is connected on ladder frame 103, and lower end is connected on crossbeam 102, crossbeam 102
Using the three pieces open type truss structure crossbeam as shown in Fig. 1-1 or Fig. 2-1.
Specifically, which includes two panels side truss 1a and 1b, connection two panels side truss 1a
With an on piece truss 2 of 1b, two panels side truss 1a and 1b are respectively arranged along perpendicular and relatively parallel, and upper truss 2 is along level
Plane is arranged, the both sides of the upper truss 2 upper end close proximity with two panels side truss 1a and 1b respectively so that the longitudinal section of crossbeam is
Downwardly open, not closed square-section, is carried out between two panels side truss 1a and 1b and an on piece truss 2 by supporting rack 3
It is connected and fixed.
The three pieces open type truss girder structure of second embodiment of the invention be applicable to outreach be 75m hereinafter, lifting
Amount is 80t gantry cranes below, preferably, it is 60m-75m to be applicable to outreach, lifting capacity is the large-scale and especially big of 65t-80t
Type gantry crane.
Further, the gantry crane crossbeam of second embodiment of the invention includes the extra large side crossbeam 102a being mutually rotatablely connected and land
Side crossbeam 102b, extra large side crossbeam 102a and land side crossbeam 102b can one of them or both be all made of the present invention three pieces open
Mouth formula truss structure crossbeam.When extra large side crossbeam 102a and land side crossbeam 102b are all made of the three pieces open type truss structure of the present invention
When crossbeam, as shwon in Figures 5 and 6, extra large side crossbeam 102a is connected by double hinged shaft systems 105 with land side crossbeam 102b.By
It is not closed in the position of the lower openings of three pieces open type truss structure, i.e. lower boom, if only setting single hinged shaft in lower boom position,
Lateral load can not be then so born in hinged shaft position, can not ensure crossbeam lateral stability；If only setting list near top boom
Hinged shaft, due to the vertical downwarp flexural deformation of crossbeam, it will foreland side crossbeam is made to be interfered with lower part in hinged shaft；Therefore originally
The gantry crane using three pieces open type truss structure crossbeam of invention must make double hinged shafts, and down hinge is set at lower boom, to protect
It is not interfered after the vertical downwarp of card crossbeam；Direction finding load is undertaken using the help of upper hinged shaft, to further enhance the lateral of crossbeam
Rigidity.
Further, crossbeam 102b in land side is fixed on upper beam 101b's by jointing 106 and auxiliary support bar 107
Bottom.If Fig. 7, Fig. 8-1 are to as shown in Fig. 8-3, jointing 106 includes an enclosed housing, and front and back the two of enclosed housing
Piece panel extends upward the first protrusion 106a along perpendicular respectively, and the upper surface of enclosed housing plate extends along horizontal plane
Second protrusion 106b.Attaching plate elements 108 is additionally provided at the position that the bottom of upper beam 101b is connected with jointing 106, when
When land side crossbeam 102b is fixed with upper beam 101b, the edge and enclosed housing of attaching plate elements 108 and the first protrusion 106a
The upper surface of plate be connected and integral.
More specifically, as shown in Figure 7, enclosed housing in the lateral direction the width in (directions L-L in Fig. 7) with
The section of upper beam 101b in the lateral direction of same size, enclosed housing is in the longitudinal direction (directions A-B in Fig. 7)
Thickness and top boom 4 section in the longitudinal direction of same size.
Preferably, along the horizontal plane of top panel, both sides each extend over the second protrusion 106b to the left and right, on a left side for top panel
Right both sides are fixedly connected on top boom, the basal edge of left and right two of enclosed housing bottom surface by auxiliary support bar 107 respectively with it is upper
Chord member is fixedly connected with lower boom, and auxiliary support bar 107 can be structure shown in Fig. 8-1 to Fig. 8-3, or other
Play the role of the structure of same connection.Further, gusset plate 109 is additionally provided on jointing 106, gusset plate 109 is logical
Stay tube 110 is crossed to be fixedly connected with ladder frame 103.
In gantry crane provided in this embodiment, the second protrusion 106b can also be along top panel horizontal plane to the left or to
Right side extends, to be fixedly connected on top boom in the left side of top panel or right side.When the second protrusion 106b extends to the left,
As shown in Figure 9, the left side basal edge of enclosed housing bottom surface, the i.e. basal edge with the second protrusion 106b homonymies pass through auxiliary support bar
107 are fixedly connected with top boom and lower boom, and the right side basal edge of enclosed housing bottom surface, i.e., with the second protrusion 106b not homonymies
Basal edge then by being fixedly connected at auxiliary support bar 107 and lower boom and upper hinged shaft.Similarly, when the second protrusion 106b to the right
When side extends, the right side basal edge of enclosed housing bottom surface, the i.e. basal edge with the second protrusion 106b homonymies pass through auxiliary support bar 107
Be fixedly connected with top boom and lower boom, and the left side basal edge of enclosed housing bottom surface, i.e., with the second protrusion 106b not homonymies
Basal edge at auxiliary support bar 107 and lower boom and upper hinged shaft by being fixedly connected.Herein preferably, different from the second protrusion 106b
The basal edge of side is fixedly connected at lower boom and upper hinged shaft respectively by two auxiliary support bars 107, and closed enclosure is improved with this
The ability to bear of body.
Further, as shown in Fig. 2-1 and Fig. 3-1, two panels side truss 1a includes respectively parallel up and down wind up with 1b
Bar 4 and lower boom 5, are vertically provided with more flank bars 6 between top boom 4 and lower boom 5, flank bar 6 connectsIt winds up
Bar 4 and lower boom 5.Specifically, the both ends of every flank bar 6 are individually fixed on top boom 4 and lower boom 5, more flank bars 6
It is end to end two-by-two and multiple triangular structures are formed between top boom 4 and lower boom 5, or form multiple " N " font knots
Structure；Can also by more flank bars 6 between top boom 4 and lower boom 5 with three be one group of formation " K " character form structure, it is multigroup
The flank bar 6 of " K " character form structure is used for being coupled top boom 4 and lower boom 5；Or by more flank bars 6 in top boom 4 and lower edge
M shape structure is constituted between bar 5.The side truss of the truss structure of second embodiment of the invention is not limited to the above-mentioned shape enumerated
Shape can also be the construction that other can play the role of same connection.
Further, as shown in Fig. 2-2 and Fig. 3-2, the upper purlin of three pieces open type truss structure crossbeam of the invention
Frame 2 includes two side rods 2a and 2b being made of two top booms 4 of two panels side truss 1a and 1b, between two side rods 2a and 2b
It is horizontally disposed to there are more top struts 7, top strut 7 to be coupled two side rods 2a and 2b.More specifically, every top
The both ends of strut 7 are individually fixed on two side rods 2a and 2b, and more top struts 7 are end to end two-by-two and in two side rod 2a
Multiple triangular structures are formed between 2b, or form multiple " N " character form structures；It can also be by more top struts 7 two
With three for one group of formation " K " character form structure between root side rod 2a and 2b, the top strut 7 of multigroup " K " character form structure is used for joining
Knot two side rods 2a and 2b；Or M shape structure is constituted between two side rods 2a and 2b by more top struts 7.The present invention
The upper truss of the truss structure of second embodiment is not limited to the above-mentioned shape enumerated, and can also can be played for other same
The construction of knot effect.
Preferably, as shown in Fig. 4-1, supporting rack 3 can be the tripod knot that three supporting rods 3a, 3b and 3c are constituted
Structure, three of them angle are individually fixed on two flank bars and a top strut, which is located at two panels side purlin
In frame 1a and 1b, the both ends of a top strut are connected to the upper end of two flank bars, the plane where supporting rack 3
Plane where side truss 1a or 1b.Such as more flank bars of two panels side truss are when respectively constituting triangular structure,
Same position and two flank bars being mutually parallel on crossbeam length direction, and the company of selection can be chosen in the truss of two panels side
Three angles of tripod structure are individually fixed in selection by a top strut for connecing the flank bar upper end that this two are mutually parallel
Flank bar and top strut on, stable structure is constituted, to enhance the lateral rigidity of crossbeam.Wherein, tripod structure
Apex angle can be located at any position for the top strut chosen, preferably, the apex angle of tripod structure is located at the top chosen
The midpoint of strut.
As shown in the Fig. 4-2, supporting rack 3 is the triangular structure that two supporting rod 3d and 3e and flank bar are constituted, should
A piece flank bar is located therein in a piece of side truss 1b, top by a top strut with it is another in another side truss 1a
The top of a piece flank bar is connected, another flank bar it is identical as the position of the flank bar on crossbeam length direction and
It is mutually parallel, the apex angle of triangular structure is located at the junction on the top and top strut of a flank bar, two base angle
Be individually fixed on the flank bar in another side truss 1a on crossbeam length direction the identical another flank bar in position
On, the plane where supporting rack 3 is perpendicular to the plane where side truss 1a or 1b.Such as more flank bars of two panels side truss point
Not triangle structure when, it is identical and be mutually parallel that position on crossbeam length direction can be chosen in the truss of two panels side
Two flank bars, the apex angle of triangular structure are located at the junction on the flank bar top and top strut, one of base angle position
In the intermediate position of the flank bar, another base angle is located at other side flank bar at the identical place in position on crossbeam length direction
Intermediate position constitutes stable structure, to the lateral rigidity of powerful beam, preferably, two base angles can should low land as far as possible
Close to lower boom, to provide support strength as big as possible.
In the embodiment of the present invention, as shown in Fig. 4-1 and Fig. 4-2, the plane where two base angles of supporting rack 3 is higher than two
The plane that root lower boom 5 is constituted.Such construction is conducive to set on lower boom 5 while ensureing the lateral rigidity of crossbeam
Set the track slided for load carrying devices such as trolleies.Further, the inside of lower boom 5 is equipped with the track 8 slided for load carrying device,
Track 8 is set to the inside of lower boom 5, need between two panels side truss 1a and 1b have broader spacing, so as into
One step enhances the lateral rigidity of the three pieces open type truss structure girder of second embodiment of the invention.
Preferably, in second embodiment of the invention, one or more of top boom 4 and/or flank bar 6 use I-steel
Or H profile steel.The cross-sectional interior clear height of I-steel or H profile steel used in top boom 4 and/or flank bar 6 is identical, utilizes
Either H profile steel can improve the bearing capacity or anti-fatigue performance of crossbeam to high I-steel, have better practical value.
In conclusion using the gantry crane of the three pieces open type truss structure crossbeam and application of the present invention crossbeam, due to it
Crossbeam is the truss structure of three pieces open type, and weight is lighter for traditional four-piece type crossbeam, and stabilized structure, is resisted
Fatigue behaviour is good, and lateral rigidity is more preferable, can be applied to lifting capacity and the higher large-scale gantry crane of working level, has very high reality
With value.The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any to be familiar with
The personage of this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Therefore,
Such as those of ordinary skill in the art is completed without departing from the spirit and technical ideas disclosed in the present invention
All equivalent modifications or change, should by the present invention claim be covered.
Claims (16)
1. a kind of three pieces open type truss structure crossbeam is used for gantry crane, the gantry crane includes door frame, and the door frame includes setting vertically
The upper beam of door frame the upper end of the column described in the door frame column set and horizontal connection, which is characterized in that including two panels side truss and company
An on piece truss of two panels side truss is connect, two panels side truss is respectively arranged along perpendicular and relatively parallel, the upper purlin
Frame is arranged along horizontal plane, the both sides of the upper truss upper end close proximity with two panels side truss respectively so that described
The longitudinal section of crossbeam is downwardly open, not closed square-section, is led between two panels side truss and the on piece truss
It crosses supporting rack and is attached fixation；
The gantry crane further includes land side crossbeam, and land side crossbeam is the three pieces open type truss structure crossbeam, the land side
Crossbeam is connected to the bottom of the upper beam by jointing and auxiliary support bar；
The jointing includes an enclosed housing, the front and back two panels panel of the enclosed housing respectively along perpendicular to
On extend the first protrusion, top panel extends the second protrusion along horizontal plane.
2. three pieces open type truss structure crossbeam as described in claim 1, which is characterized in that two panels side truss respectively wraps
Parallel up and down top boom and lower boom are included, more flanks are vertically provided between the top boom and the lower boom
Bar, the flank bar are coupled the top boom and the lower boom.
3. three pieces open type truss structure crossbeam as claimed in claim 2, which is characterized in that the upper truss includes by described
Two parallel side rods of left and right that two of the two panels side truss top booms are constituted, between two side rods in the horizontal direction
More top struts are provided with, the top strut is coupled two side rods.
4. three pieces open type truss structure crossbeam as claimed in claim 3, which is characterized in that the more flank bars and/or
The more top struts are triangle, " N " type, " K " type or rice font structure.
5. three pieces open type truss structure crossbeam as claimed in claim 3, which is characterized in that support frame as described above is three supports
The tripod structure that bar is constituted, three of them angle are individually fixed on two flank bars and a top strut, two flanks
Bar is located in the truss of the two panels side, the both ends of a top strut respectively the upper end of two flank bars with
The top boom is connected, and the plane where support frame as described above is perpendicular to the plane where any side truss.
6. three pieces open type truss structure crossbeam as claimed in claim 3, which is characterized in that support frame as described above is two supporting rods
The triangular structure constituted with a flank bar, a flank bar are located therein in a piece of side truss, and top is logical
It crosses a top strut with the top of another flank bar in another side truss to be connected, another flank bar
Identical as position of the flank bar on crossbeam length direction and be mutually parallel, the apex angle of the triangular structure is located at
The junction on the top and the top strut of a piece flank bar, two base angle are individually fixed in a flank bar
On another flank bar, and the plane where support frame as described above is perpendicular to flat where any side truss
Face.
7. such as three pieces open type truss structure crossbeam described in claim 5 or 6, which is characterized in that two of support frame as described above
Base angle is above the plane that two lower booms are constituted in the vertical direction.
8. three pieces open type truss structure crossbeam as claimed in claim 7, which is characterized in that the inside of the lower boom is equipped with
The track slided for load carrying device.
9. three pieces open type truss structure crossbeam as claimed in claim 2, which is characterized in that the top boom and/or described
Flank bar uses I-steel or H profile steel.
10. a kind of gantry crane includes more drawings of door frame, the crossbeam and ladder frame, the traction crossbeam that are fixed on the door frame
Bar, the door frame include the upper beam of door frame the upper end of the column described in the door frame column being vertically arranged and horizontal connection, the crossbeam
It is fixed on the bottom of the upper beam, the ladder frame is fixed on the top of the door frame, and the upper end of the pull rod is connected to institute
It states on ladder frame, lower end is connected on the crossbeam, which is characterized in that the crossbeam is used such as any institute in claim 2-9
The three pieces open type truss structure crossbeam stated.
11. gantry crane as claimed in claim 10, which is characterized in that the crossbeam include the extra large side crossbeam that is mutually rotatablely connected and
Land side crossbeam, the sea side crossbeam are connected by double hinged shaft systems with land side crossbeam.
12. gantry crane as claimed in claim 10, which is characterized in that the width on the left and right directions of the enclosed housing and institute
State of same size on the section left and right directions of upper beam, the thickness on the front-rear direction of the enclosed housing winds up with described
It is of same size on the section front-rear direction of bar.
13. gantry crane as claimed in claim 10, which is characterized in that the bottom of the upper beam is connected with the jointing
Attaching plate elements is provided at position, when land side crossbeam and upper beam fixation, the attaching plate elements and described first
The edge of protrusion, the top panel are connected and integral.
14. gantry crane as claimed in claim 10, which is characterized in that second protrusion along the top panel horizontal plane to the left
Right both sides each extend over, be respectively fixedly connected at left and right sides of the top panel in the top boom, the closed enclosure
The basal edge of left and right two of body bottom surface is fixedly connected by the auxiliary support bar with the top boom and the lower boom.
15. gantry crane as claimed in claim 14, which is characterized in that be provided with gusset plate, the node on the jointing
Plate is fixedly connected by stay tube with the ladder frame.
16. gantry crane as claimed in claim 10, which is characterized in that second protrusion along the top panel horizontal plane to the left
Side either extends to the right to be fixedly connected on the top boom in the left side of the top panel or right side；When described second
When protrusion extends to the left, the left side basal edge of the enclosed housing bottom surface by the auxiliary support bar and the top boom and
The lower boom is fixedly connected, and the right side basal edge of the enclosed housing bottom surface passes through the auxiliary support bar and the lower boom
And it is fixedly connected at upper hinged shaft；When second protrusion extends to the right, the right side basal edge of the enclosed housing bottom surface is logical
It crosses the auxiliary support bar to be fixedly connected with the top boom and the lower boom, the left side basal edge of the enclosed housing bottom surface
By being fixedly connected at the auxiliary support bar and the lower boom and upper hinged shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611122957.9A CN106477453B (en) | 2016-12-08 | 2016-12-08 | The gantry crane of three pieces open type truss structure crossbeam and the application crossbeam |
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| CN201611122957.9A CN106477453B (en) | 2016-12-08 | 2016-12-08 | The gantry crane of three pieces open type truss structure crossbeam and the application crossbeam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106946154B (en) * | 2017-05-04 | 2018-11-20 | 上海振华重工(集团)股份有限公司 | Gantry crane flexible legs |
| DE102019126399A1 (en) * | 2019-09-30 | 2021-04-01 | Konecranes Global Corp. | Carrier for a trolley and overhead transport device with such a carrier |
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| JPS5865850A (en) * | 1981-10-16 | 1983-04-19 | 株式会社日立製作所 | Joint of truss structure |
| JP5643001B2 (en) * | 2010-06-04 | 2014-12-17 | 三井造船株式会社 | Quay crane |
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| CN2509164Y (en) * | 2001-08-30 | 2002-09-04 | 上海港口机械制造厂 | Light shore container elevator |
| CN101016724A (en) * | 2007-02-14 | 2007-08-15 | 中铁大桥勘测设计院有限公司 | Three plates or multiple plates truss structure main girder |
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